//Tencent-backed Maoyan Entertainment, Chinas biggest movie-ticketing platform by sales, fell 1.1% in its Hong Kong debut after raising $250M in its IPO (Julia Fioretti/Reuters)

Tencent-backed Maoyan Entertainment, Chinas biggest movie-ticketing platform by sales, fell 1.1% in its Hong Kong debut after raising $250M in its IPO (Julia Fioretti/Reuters)

Slack says it has submitted a confidential draft IPO filing with the SEC  —  Slack confidentially filed to go public, according to a press release published Monday.  —  Slack is one of a number of tech IPOs expected in 2019, including Uber, Lyft and Airbnb.  —  Here is the full release from Slack: